700R4 transmission fluid question.
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Joined: Jun 2014
Posts: 393
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From: Montana
Car: 1986 Trans AM WS6
Engine: 383 Vortec TPI, PUTS SMILES ON FACE
Transmission: PATC LVL 3 Raptor Transmission
Axle/Gears: 3.27 POSI 9 BOLT
700R4 transmission fluid question.
OK so I just got my 700R4 level 3 raptor transmission. And the is probably 2 quarts of reg transmission fluid in the pan but the rest is dry. am going to be using royal purple in it... Would it be smart to pop the pan off and drain what's in it or would it be OK to just put the new royal purple in it?
Thanks friends
Thanks friends
Last edited by happyhapka; Jun 17, 2014 at 09:48 AM.
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Joined: Dec 2007
Posts: 475
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From: Minnesota
Car: '88 Iroc
Engine: Single turbo Vortec 5.7, Megasquirt
Transmission: Probuilt 700r4 3000 stall Vigilante
Axle/Gears: Moser 9" 3.25 w/True Trac
Re: 700R4 transmission fluid question.
I wouldn't worry about the 2 quarts in the pan.
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From: Calimesa, California, U.S.
Re: 700R4 transmission fluid question.
Unless Royal Purple has made vast improvements in their transmission oil, I would not use it. I would use Amsoil if you want the best. It is a synthetic, and drain the oil that is in there now.
Thread Starter
Member
Joined: Jun 2014
Posts: 393
Likes: 2
From: Montana
Car: 1986 Trans AM WS6
Engine: 383 Vortec TPI, PUTS SMILES ON FACE
Transmission: PATC LVL 3 Raptor Transmission
Axle/Gears: 3.27 POSI 9 BOLT
Re: 700R4 transmission fluid question.
What is wrong with Royal Purple..? I have used this brand in everything but my transmission and love it with 0 problems.... I'm just curious.
Joined: Jun 2005
Posts: 1,245
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From: Fairfield, CA
Car: 91camaro rs,2014 silverado 5.3L
Engine: 5.7Lcarb,5.3L
Transmission: 700-r4, 6L80
Axle/Gears: strange 3.73's
Re: 700R4 transmission fluid question.
drain what is in your pan.
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From: Tracy, CA
Car: '87 IROC
Engine: LB9
Transmission: TH700R4
Re: 700R4 transmission fluid question.
Just my opinion.....
Royal Purple is an unlicensed Dexron II/III equivalent. It meets (RP claims) a superseded spec and costs $15/qt (O'Reilly).
I'm assuming your desire to use RP is because it's a synthetic? You'd be much better off using a Dexron VI ATF (like Valvoline) which is a synthetic, a current GM spec, licensed by GM (meaning blenders have to meet certain performance requirements) and is half the price of RP.
Royal Purple is an unlicensed Dexron II/III equivalent. It meets (RP claims) a superseded spec and costs $15/qt (O'Reilly).
I'm assuming your desire to use RP is because it's a synthetic? You'd be much better off using a Dexron VI ATF (like Valvoline) which is a synthetic, a current GM spec, licensed by GM (meaning blenders have to meet certain performance requirements) and is half the price of RP.
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